<template>
    <div>
        <template v-for="(item, index) in options">
            <template v-if="values.includes(item.value)">
        <span
            v-if="(item.elTagType == 'default' || item.elTagType == '') && (item.elTagClass == '' || item.elTagClass == null)"
            :key="item.value"
            :index="index"
            :class="item.elTagClass"
        >{{ item.label + " " }}</span>
                <el-tag
                    v-else
                    :disable-transitions="true"
                    :key="item.value + ''"
                    :index="index"
                    :type="item.elTagType"
                    :class="item.elTagClass"
                >{{ item.label + " " }}
                </el-tag>
            </template>
        </template>
        <template v-if="unmatch && showValue">
            {{ unmatchArray.join(" ") }}
        </template>
    </div>
</template>

<script setup>
// 记录未匹配的项
const unmatchArray = ref([])

const props = defineProps({
    // 数据
    options: {
        type: Array,
        default: null,
    },
    // 当前的值
    value: [Number, String, Array],
    // 当未找到匹配的数据时，显示value
    showValue: {
        type: Boolean,
        default: true,
    },
    separator: {
        type: String,
        default: ",",
    }
})

const values = computed(() => {
    if (props.value === null || typeof props.value === 'undefined' || props.value === '') return []
    return Array.isArray(props.value) ? props.value.map(item => '' + item) : String(props.value).split(props.separator)
})

const unmatch = computed(() => {
    unmatchArray.value = []
    // 没有value不显示
    if (props.value === null || typeof props.value === 'undefined' || props.value === '' || !Array.isArray(props.options) || props.options.length === 0) return false
    // 传入值为数组
    let unmatch = false // 添加一个标志来判断是否有未匹配项
    values.value.forEach(item => {
        if (!props.options.some(v => v.value === item)) {
            unmatchArray.value.push(item)
            unmatch = true // 如果有未匹配项，将标志设置为true
        }
    })
    return unmatch // 返回标志的值
})
</script>

<style scoped>
.el-tag + .el-tag {
    margin-left: 10px;
}
</style>
